The Code Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom field meta values in all versions up to, and including, 2.5.1. This is due to the plugin's sanitization function `sec_check_post_fields()` only running on the `save_post` hook, while WordPress allows custom fields to be added via the `wp_ajax_add_meta` AJAX endpoint without triggering `save_post`. The `ce_filter()` function then outputs these unsanitized meta values directly into page content without escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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Affected Vendors & Products
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Fixes
Solution
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Workaround
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References
History
Wed, 18 Mar 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Code Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom field meta values in all versions up to, and including, 2.5.1. This is due to the plugin's sanitization function `sec_check_post_fields()` only running on the `save_post` hook, while WordPress allows custom fields to be added via the `wp_ajax_add_meta` AJAX endpoint without triggering `save_post`. The `ce_filter()` function then outputs these unsanitized meta values directly into page content without escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. | |
| Title | Code Embed <= 2.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Fields | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-03-18T17:04:44.595Z
Reserved: 2026-02-14T01:55:08.510Z
Link: CVE-2026-2512
No data.
Status : Received
Published: 2026-03-18T16:16:27.030
Modified: 2026-03-18T16:16:27.030
Link: CVE-2026-2512
No data.
OpenCVE Enrichment
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Weaknesses